Displaying And Debugging Ip Performance; Troubleshooting Ip Performance - 3Com Switch 4500 26-Port Configuration Manual

100 C 5: N
HAPTER ETWORK
Displaying and
Debugging IP
Performance
Troubleshooting IP
Performance
P O
ROTOCOL PERATION
Table 97 Configuring TCP Attributes
Operation
Restore synwait timer
Configure FIN_WAIT_2 timer in TCP
Restore FIN_WAIT_2 timer
Configure the Socket receiving/sending
buffer size of TCP
Restore the socket receiving/sending buffer
size of TCP to default value
By default, the TCP finwait timer is 675 seconds, the synwait timer is 75 seconds,
and the receiving/sending buffer size of connection-oriented Socket is 8K bytes.
After the above configuration, enter the
the running of the IP Performance configuration, and to verify the effect of the
configuration. Enter the
statistics information.
Table 98 Displaying and Debugging IP Performance
Operation
Display TCP connection state
Display TCP connection statistics data
Display UDP statistics information
Display IP statistics information
Display ICMP statistics information
Display socket interface information of
current system
Display the summary of the
Forwarding Information Base
Display the FIB entries matching the
destination IP address (range)
Display the FIB entries matching a
specific ACL
Display the FIB entries which are
output from the buffer according to
regular expression and related to the
specific character string
Display the FIB entries matching the
specific prefix list
Display the total number of FIB entries display fib statistics[{begin|include
Reset IP statistics information
Reset TCP statistics information
Reset UDP statistics information
Fault: IP layer protocol works normally but TCP and UDP cannot work normally.
In the event of such a fault, you can enable the corresponding debugging
information output to view the debugging information.
Command
undo tcp timer syn-timeout
tcp timer fin-timeout time_value
undo tcp timer fin-timeout
tcp window window_size
undo tcp window
display
command in User View to clear IP, TCP, and UDP
reset
Command
display tcp status
display tcp statistics
display udp statistics
display ip statistics
display icmp statistics
display ip socket [ socktype sock_type ] [
task_id socket_id ]
display fib
display fib ip_address1 [ { mask1 |
mask_length1 } [ ip_address2 { mask2 |
mask_length2 } | longer ] | longer ]
display fib acl
display fib | { { begin | include | exclude }
text }
display fib
|exclude}text]
reset ip statistics
reset tcp statistics
reset udp statistics
command in any view to display
number
ip-prefix listname